Ergo Grip Tactical CAR Stock Wrench 105491. These Armorer's Wrenches from ERGO are constructed from heat-treated steel for maximum toughness and you can use these wrenches as a Mil-Spec castle nut wrench or as a standard length receiver wrench. The Ergo Grip Tactical CAR Stock Wrenches also features a rubberized grip to assist you with adjustments and enhance your comfort. Add this versatile Ergo Grip Tactical CAR Stock Wrenches to your toolbox to easily and quickly perform firearm maintenance. Specifications for Ergo Grip Tactical CAR Stock Wrenches: Manufacturer: ERGO Fabric/Material: Heat Treated Steel Color: Black Condition: New Quantity: 1 Features of Ergo Grip Tactical CAR Stock Wrench: Manufactured from heat-treated steel Rubberized Grip Performs the job of a Mil-Spec Castle Nut Wrench Performs the job of a Standard Length Receiver Extension Wrench Package Contents: Ergo Grip Tactical CAR Stock Wrench Ergo Grip 105491: Tactical CAR Stock Wrench